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发明名称
Positively locking fastener
摘要
申请公布号
US2299230(A)
申请公布日期
1942.10.20
申请号
US19420451269
申请日期
1942.07.17
申请人
THE DOW CHEMICAL COMPANY
发明人
HANSON ALDEN W.
分类号
A44B19/38
主分类号
A44B19/38
代理机构
代理人
主权项
地址
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